243605373277051 has 8 divisors (see below), whose sum is σ = 243670480146000. Its totient is φ = 243540268651680.

The previous prime is 243605373277039. The next prime is 243605373277073. The reversal of 243605373277051 is 150772373506342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243605373277051 is a prime.

It is a super-3 number, since 3×243605373277051³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243605373276983 and 243605373277001.

It is not an unprimeable number, because it can be changed into a prime (243605373277001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229151521 + ... + 230212141.

It is an arithmetic number, because the mean of its divisors is an integer number (30458810018250).

Almost surely, 2^{243605373277051} is an apocalyptic number.

243605373277051 is a deficient number, since it is larger than the sum of its proper divisors (65106868949).

243605373277051 is a wasteful number, since it uses less digits than its factorization.

243605373277051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121789.

The product of its (nonzero) digits is 22226400, while the sum is 55.

The spelling of 243605373277051 in words is "two hundred forty-three trillion, six hundred five billion, three hundred seventy-three million, two hundred seventy-seven thousand, fifty-one".